<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
    <link rel="stylesheet" href="/static/layui/css/layui.css">
</head>
<body>

<form class="layui-form layui-form-pane" lay-filter="formFilter" action="">
    <input type="hidden" name="id">
    <div class="layui-form-item">
        <label class="layui-form-label">博客名</label>
        <div class="layui-input-block">
            <input type="text" name="name" autocomplete="off" placeholder="课程名" class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">博客分类</label>
        <div class="layui-input-block">
            <select name="typeId" id="typeId">
                <option value="">--请选择分类--</option>
            </select>
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">封面</label>
        <div class="layui-input-block">
            <div class="layui-upload-list">
                <input type="hidden" name="image" id="imageId">
                <img class="layui-upload-img" id="ID-upload-demo-img" width="150px" height="150px">
                <div id="ID-upload-demo-text"></div>
            </div>
            <button type="button" class="layui-btn" id="uploadId">
                <i class="layui-icon layui-icon-upload"></i> 单图片上传
            </button>
        </div>
    </div>
    <div class="layui-form-item layui-form-text">
        <label class="layui-form-label">博客内容</label>
        <div class="layui-input-block">
            <textarea id="contentId" name="content" placeholder="请输入内容" class="layui-textarea"></textarea>
        </div>
    </div>
    <div class="layui-form-item">
        <div class="layui-input-block">
            <button type="submit" class="layui-btn" lay-submit="" lay-filter="submitForm">添加</button>
            <button type="reset" class="layui-btn layui-btn-primary">重置</button>
        </div>
    </div>
</form>
<script src="/static/jquery-2.1.4.js" type="text/javascript" charset="utf-8"></script>
<script src="/static/layui/layui.js" type="text/javascript" charset="utf-8"></script>
<script src="/static/mylayer.js" type="text/javascript" charset="utf-8"></script>
<script src="/static/kindeditor/kindeditor.js" type="text/javascript" charset="utf-8"></script>
<script>
    var kindEditorParams = {
        afterBlur: function() {
            this.sync();
        }
    };
    var editor = KindEditor.create('#contentId', kindEditorParams);

    layui.use(['form','upload'], function () {
        var form = layui.form;
        var upload = layui.upload;

        var queryString = window.location.search;
        var urlParams = new URLSearchParams(queryString);
        var id = urlParams.get("id");
        console.log('id: ' + id);

        $.post(
            '/blog?method=selectById',
            {'id': id},
            function (result) {
                console.log(result);
                // {blog: {"id":1,"name":"Java学习"}, list: [{},{}]}
                if (result.code == 0) {
                    var list = result.data.list;
                    $(list).each(function () {
                        $('#typeId').append('<option value="'+this.id+'">'+this.name+'</option>');
                    })
                    form.render('select');

                    var blog = result.data.blog;
                    form.val('formFilter', blog);
                    $('#ID-upload-demo-img').attr('src', '/pic/' + blog.image);

                    editor.html(blog.content);
                }
            },
            'json'
        );


        // 单图片上传
        var uploadInst = upload.render({
            elem: '#uploadId',
            url: '/upload', // 实际使用时改成您自己的上传接口即可。
            before: function(obj){
                // 预读本地文件示例，不支持ie8
                obj.preview(function(index, file, result){
                    $('#ID-upload-demo-img').attr('src', result); // 图片链接（base64）
                });
            },
            done: function(result){
                if (result.code == 0) {
                    console.log(result);
                    $('#imageId').val(result.data);
                } else {
                    mylayer.errorMsg('上传失败')
                }
                $('#ID-upload-demo-text').html('');
            },
            error: function(){
                // 演示失败状态，并实现重传
                var demoText = $('#ID-upload-demo-text');
                demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-xs demo-reload">重试</a>');
                demoText.find('.demo-reload').on('click', function(){
                    uploadInst.upload();
                });
            },
        });

        form.on('submit(submitForm)', function(data){
            console.log(data.field);
            $.post(
                '/blog?method=update',
                data.field,
                function (result) {
                    console.log(result);
                    if (result.code == 0) {
                        mylayer.okMsg(result.msg);
                        setInterval(function () {
                            var index = parent.layer.getFrameIndex(window.name);
                            parent.layer.close(index);
                            window.parent.location.reload();
                        }, 2000);
                    }
                },
                'json'
            );
            return false;
        });
    });
</script>
</body>
</html>
